Chin J Plant Ecol ›› 2020, Vol. 44 ›› Issue (1): 56-69.DOI: 10.17521/cjpe.2019.0230
Special Issue: 生态化学计量
• Research Articles • Previous Articles Next Articles
JING Hong-Xia1,SUN Ning-Xiao2,Muhammad UMAIR2,LIU Chun-Jiang2,DU Hong-Mei1,*()
Received:
2019-09-02
Revised:
2020-01-08
Online:
2020-01-20
Published:
2020-01-19
Contact:
DU Hong-Mei
Supported by:
JING Hong-Xia,SUN Ning-Xiao,Muhammad UMAIR,LIU Chun-Jiang,DU Hong-Mei. Stoichiometric characteristics of soils and dominant shrub leaves and their responses to water addition in different seasons in degraded karst areas in Southern Yunnan of China[J]. Chin J Plant Ecol, 2020, 44(1): 56-69.
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URL: https://www.plant-ecology.com/EN/10.17521/cjpe.2019.0230
指标 Index | 4月 April | 8月 August | Pr | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
CK | T1 | T2 | T3 | CK | T1 | T2 | T3 | f1 | f2 | f1 × f2 | |
pH | 6.25 ± 0.07 | 6.38 ± 0.13 | 6.26 ± 0.07 | 6.32 ± 0.12 | 6.13 ± 0.12 | 6.27 ± 0.11 | 6.23 ± 0.06 | 6.31 ± 0.06 | |||
VWC (%) | 3.11 ± 0.39 | 5.79 ± 0.40 | 8.09 ± 0.21 | 6.59 ± 0.72 | 10.33 ± 0.19 | 19.72 ± 0.25 | 26.81 ± 0.32 | 26.19 ± 0.32 | |||
Temperature (℃) | 18.96 ± 0.17 | 18.64 ± 0.16 | 19.49 ± 0.19 | 18.82 ± 0.15 | 21.91 ± 0.07 | 21.89 ± 0.07 | 22.11 ± 0.08 | 22.15 ± 0.07 | |||
C (mg·g-1) | 86.76 ± 6.03 | 98.75 ± 2.47 | 114.86 ± 6.47 | 98.85 ± 5.24 | 99.04 ± 4.31 | 89.68 ± 2.88 | 101.40 ± 4.73 | 113.68 ± 8.00 | 0.01 | 0.76 | 0.02 |
H (mg·g-1) | 24.32 ± 0.32 | 24.28 ± 0.88 | 24.52 ± 0.66 | 23.94 ± 1.30 | 25.56 ± 0.46 | 23.60 ± 0.51 | 24.98 ± 0.44 | 25.90 ± 0.86 | 0.50 | 0.17 | 0.34 |
N (mg·g-1) | 7.52 ± 0.18 | 7.38 ± 0.16 | 8.60 ± 0.37 | 9.60 ± 0.41 | 7.66 ± 0.36 | 7.15 ± 0.10 | 7.96 ± 0.35 | 8.98 ± 0.31 | 0.00 | 0.12 | 0.52 |
S (mg·g-1) | 2.62 ± 0.15 | 2.51 ± 0.14 | 2.55 ± 0.15 | 2.37 ± 0.09 | 2.17 ± 0.08 | 2.09 ± 0.06 | 2.20 ± 0.07 | 2.01 ± 0.19 | 0.35 | 0.00 | 0.98 |
P (mg·g-1) | 0.89 ± 0.06 | 0.94 ± 0.03 | 0.97 ± 0.02 | 1.02 ± 0.06 | 0.91 ± 0.06 | 0.91 ± 0.04 | 0.97 ± 0.02 | 0.92 ± 0.07 | 0.33 | 0.48 | 0.65 |
Fe (mg·g-1) | 58.82 ± 3.31 | 58.59 ± 1.67 | 61.63 ± 2.85 | 58.97 ± 3.49 | 55.56 ± 3.40 | 62.35 ± 3.00 | 61.25 ± 2.44 | 56.77 ± 0.85 | 0.27 | 0.60 | 0.81 |
Al (mg·g-1) | 54.76 ± 2.62 | 54.05 ± 1.85 | 53.40 ± 3.25 | 54.25 ± 2.23 | 55.78 ± 0.88 | 53.54 ± 2.50 | 53.36 ± 2.18 | 51.18 ± 1.95 | 0.70 | 0.58 | 0.82 |
K (mg·g-1) | 6.07 ± 0.15 | 6.87 ± 0.38 | 6.42 ± 0.36 | 7.03 ± 0.69 | 7.15 ± 0.50 | 6.60 ± 0.34 | 6.38 ± 0.40 | 5.99 ± 0.70 | 0.91 | 0.84 | 0.18 |
Ca (mg·g-1) | 5.84 ± 0.62 | 7.83 ± 0.43 | 6.87 ± 0.66 | 6.02 ± 0.67 | 6.01 ± 0.68 | 5.28 ± 0.46 | 6.28 ± 0.20 | 7.36 ± 0.90 | 0.59 | 0.35 | 0.02 |
Na (mg·g-1) | 2.62 ± 0.05 | 2.18 ± 0.08 | 2.19 ± 0.05 | 2.02 ± 0.09 | 1.95 ± 0.07 | 1.89 ± 0.08 | 1.90 ± 0.03 | 1.59 ± 0.08 | 0.00 | 0.00 | 0.03 |
Mn (mg·g-1) | 1.52 ± 0.09 | 1.63 ± 0.01 | 1.64 ± 0.07 | 1.68 ± 0.10 | 1.55 ± 0.12 | 1.52 ± 0.12 | 1.61 ± 0.04 | 1.56 ± 0.10 | 0.71 | 0.37 | 0.78 |
Mg (mg·g-1) | 1.01 ± 0.04 | 1.56 ± 0.13 | 1.24 ± 0.08 | 1.36 ± 0.14 | 1.24 ± 0.12 | 1.21 ± 0.08 | 1.30 ± 0.14 | 1.39 ± 0.21 | 0.16 | 0.92 | 0.16 |
Zn (mg·g-1) | 0.35 ± 0.03 | 0.39 ± 0.04 | 0.43 ± 0.03 | 0.46 ± 0.03 | 0.42 ± 0.04 | 0.42 ± 0.02 | 0.44 ± 0.03 | 0.43 ± 0.05 | 0.34 | 0.36 | 0.63 |
Cu (mg·g-1) | 0.108 ± 0.002 | 0.111 ± 0.004 | 0.105 ± 0.004 | 0.105 ± 0.002 | 0.107 ± 0.003 | 0.107 ± 0.003 | 0.106 ± 0.004 | 0.095 ± 0.004 | 0.09 | 0.20 | 0.50 |
Table 1 Soil variables under different water treatments and in different months in degraded karst areas in Southern Yunnan of China (mean ± SE)
指标 Index | 4月 April | 8月 August | Pr | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
CK | T1 | T2 | T3 | CK | T1 | T2 | T3 | f1 | f2 | f1 × f2 | |
pH | 6.25 ± 0.07 | 6.38 ± 0.13 | 6.26 ± 0.07 | 6.32 ± 0.12 | 6.13 ± 0.12 | 6.27 ± 0.11 | 6.23 ± 0.06 | 6.31 ± 0.06 | |||
VWC (%) | 3.11 ± 0.39 | 5.79 ± 0.40 | 8.09 ± 0.21 | 6.59 ± 0.72 | 10.33 ± 0.19 | 19.72 ± 0.25 | 26.81 ± 0.32 | 26.19 ± 0.32 | |||
Temperature (℃) | 18.96 ± 0.17 | 18.64 ± 0.16 | 19.49 ± 0.19 | 18.82 ± 0.15 | 21.91 ± 0.07 | 21.89 ± 0.07 | 22.11 ± 0.08 | 22.15 ± 0.07 | |||
C (mg·g-1) | 86.76 ± 6.03 | 98.75 ± 2.47 | 114.86 ± 6.47 | 98.85 ± 5.24 | 99.04 ± 4.31 | 89.68 ± 2.88 | 101.40 ± 4.73 | 113.68 ± 8.00 | 0.01 | 0.76 | 0.02 |
H (mg·g-1) | 24.32 ± 0.32 | 24.28 ± 0.88 | 24.52 ± 0.66 | 23.94 ± 1.30 | 25.56 ± 0.46 | 23.60 ± 0.51 | 24.98 ± 0.44 | 25.90 ± 0.86 | 0.50 | 0.17 | 0.34 |
N (mg·g-1) | 7.52 ± 0.18 | 7.38 ± 0.16 | 8.60 ± 0.37 | 9.60 ± 0.41 | 7.66 ± 0.36 | 7.15 ± 0.10 | 7.96 ± 0.35 | 8.98 ± 0.31 | 0.00 | 0.12 | 0.52 |
S (mg·g-1) | 2.62 ± 0.15 | 2.51 ± 0.14 | 2.55 ± 0.15 | 2.37 ± 0.09 | 2.17 ± 0.08 | 2.09 ± 0.06 | 2.20 ± 0.07 | 2.01 ± 0.19 | 0.35 | 0.00 | 0.98 |
P (mg·g-1) | 0.89 ± 0.06 | 0.94 ± 0.03 | 0.97 ± 0.02 | 1.02 ± 0.06 | 0.91 ± 0.06 | 0.91 ± 0.04 | 0.97 ± 0.02 | 0.92 ± 0.07 | 0.33 | 0.48 | 0.65 |
Fe (mg·g-1) | 58.82 ± 3.31 | 58.59 ± 1.67 | 61.63 ± 2.85 | 58.97 ± 3.49 | 55.56 ± 3.40 | 62.35 ± 3.00 | 61.25 ± 2.44 | 56.77 ± 0.85 | 0.27 | 0.60 | 0.81 |
Al (mg·g-1) | 54.76 ± 2.62 | 54.05 ± 1.85 | 53.40 ± 3.25 | 54.25 ± 2.23 | 55.78 ± 0.88 | 53.54 ± 2.50 | 53.36 ± 2.18 | 51.18 ± 1.95 | 0.70 | 0.58 | 0.82 |
K (mg·g-1) | 6.07 ± 0.15 | 6.87 ± 0.38 | 6.42 ± 0.36 | 7.03 ± 0.69 | 7.15 ± 0.50 | 6.60 ± 0.34 | 6.38 ± 0.40 | 5.99 ± 0.70 | 0.91 | 0.84 | 0.18 |
Ca (mg·g-1) | 5.84 ± 0.62 | 7.83 ± 0.43 | 6.87 ± 0.66 | 6.02 ± 0.67 | 6.01 ± 0.68 | 5.28 ± 0.46 | 6.28 ± 0.20 | 7.36 ± 0.90 | 0.59 | 0.35 | 0.02 |
Na (mg·g-1) | 2.62 ± 0.05 | 2.18 ± 0.08 | 2.19 ± 0.05 | 2.02 ± 0.09 | 1.95 ± 0.07 | 1.89 ± 0.08 | 1.90 ± 0.03 | 1.59 ± 0.08 | 0.00 | 0.00 | 0.03 |
Mn (mg·g-1) | 1.52 ± 0.09 | 1.63 ± 0.01 | 1.64 ± 0.07 | 1.68 ± 0.10 | 1.55 ± 0.12 | 1.52 ± 0.12 | 1.61 ± 0.04 | 1.56 ± 0.10 | 0.71 | 0.37 | 0.78 |
Mg (mg·g-1) | 1.01 ± 0.04 | 1.56 ± 0.13 | 1.24 ± 0.08 | 1.36 ± 0.14 | 1.24 ± 0.12 | 1.21 ± 0.08 | 1.30 ± 0.14 | 1.39 ± 0.21 | 0.16 | 0.92 | 0.16 |
Zn (mg·g-1) | 0.35 ± 0.03 | 0.39 ± 0.04 | 0.43 ± 0.03 | 0.46 ± 0.03 | 0.42 ± 0.04 | 0.42 ± 0.02 | 0.44 ± 0.03 | 0.43 ± 0.05 | 0.34 | 0.36 | 0.63 |
Cu (mg·g-1) | 0.108 ± 0.002 | 0.111 ± 0.004 | 0.105 ± 0.004 | 0.105 ± 0.002 | 0.107 ± 0.003 | 0.107 ± 0.003 | 0.106 ± 0.004 | 0.095 ± 0.004 | 0.09 | 0.20 | 0.50 |
Fig. 1 Relationship between coefficients of variation and log2FC of soil element concentrations in degraded karst areas in Southern Yunnan of China. FC = “mean value of soil elemental concentration in the plot”/“mean value of national soil elemental concentration”, if log2FC > 0, it means that the elemental concentration in the plot is higher than the national average.
物种 Species | Pearson相关系数 Pearson correlation coefficient | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
N-P | C-H | K-Ca | Mn-Ca | C-K | P-K | Ca-Fe | C-P | N-K | C-N | |
鞍叶羊蹄甲 Bauhinia brachycarpa | 0.646** | 0.638** | -0.747** | 0.508** | 0.477** | 0.689** | 0.369* | 0.417** | 0.667** | 0.368* |
假虎刺 Carissa spinarum | 0.408** | 0.467** | -0.463** | 0.627** | -0.355* | 0.374* | -0.640** | -0.074 | -0.179 | 0.024 |
Table 2 Correlation indices between element concentrations in leaves of the two plant species in degraded karst areas in Southern Yunnan of China
物种 Species | Pearson相关系数 Pearson correlation coefficient | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
N-P | C-H | K-Ca | Mn-Ca | C-K | P-K | Ca-Fe | C-P | N-K | C-N | |
鞍叶羊蹄甲 Bauhinia brachycarpa | 0.646** | 0.638** | -0.747** | 0.508** | 0.477** | 0.689** | 0.369* | 0.417** | 0.667** | 0.368* |
假虎刺 Carissa spinarum | 0.408** | 0.467** | -0.463** | 0.627** | -0.355* | 0.374* | -0.640** | -0.074 | -0.179 | 0.024 |
Table 3 Leat element contentrations and stoichiometric ratios in Bauhinia brachycarpa under different water treatments nd in different months (mean ± SE)
Fig. 2 Relationship between coef?cients of variation and mean values of leaf element concentrations in degraded karst areas in Southern Yunnan of China. A1, A2, Bauhinia brachycarp. B1, B2, Carissa spinarum.
Fig. 3 Standardization regression slops of the simple linear regressions between leaf elemental concentration (or stoichiometric ratios) of the two plant species and soil volumetric water content in degraded karst areas in Southern Yunnan of China. A, Leaf elements. B, Stoichiometric ratio. *, p < 0.05; **, p < 0.01.
Fig. 4 Relationships between the leaf elemental concentrations (or stoichiometric ratios) of the two plant species and soil volumetric water content in degraded karst areas in Southern Yunnan of China.
Fig. 5 Relationships between leaf elemental concentrations of Bauhinia brachycarpa and soil volumetric water content in degraded karst areas in Southern Yunnan of China.
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